Wins
12
Indexed tournament wins
Player record
Horikoshi, Atsushi
Losses
3
Indexed tournament losses
Matches
15
Decisive results
Win rate
80.0%
Across indexed matches
Peak rating
1,062
Highest rating in the available history.
Biggest upset
Upadhyay, Parth
Western Open · Feb 18, 2007 · +147 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Harsono, Hugh
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 12, 2026, 2:28 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 18, 2007 | Western OpenTournament · View matches · USATT readjusted 974 → 1,027 | 974 | 1,062 | +35+38 / -3 | 7W / 2L |
| Feb 19, 2006 | 2006 Western OpenTournament · View matches · Initial rating 974 | Unrated | 974 | — | 5W / 1L |
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